EP0921652A3 - Méthode d'étalement complex et orthogonal pour mulit-canaux et dispositif pour cela - Google Patents

Méthode d'étalement complex et orthogonal pour mulit-canaux et dispositif pour cela Download PDF

Info

Publication number
EP0921652A3
EP0921652A3 EP19980308056 EP98308056A EP0921652A3 EP 0921652 A3 EP0921652 A3 EP 0921652A3 EP 19980308056 EP19980308056 EP 19980308056 EP 98308056 A EP98308056 A EP 98308056A EP 0921652 A3 EP0921652 A3 EP 0921652A3
Authority
EP
European Patent Office
Prior art keywords
complex
multichannel
phase information
multiplying
orthogonal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19980308056
Other languages
German (de)
English (en)
Other versions
EP0921652A2 (fr
EP0921652B1 (fr
Inventor
Seung Chang Bang
Ki Chul Han
Jae Ryong Shim
Jung Im Kim
Tae Joong Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26633222&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0921652(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP20070010789 priority Critical patent/EP1819083B1/fr
Priority to EP20070075393 priority patent/EP1816773B1/fr
Priority to EP20040077916 priority patent/EP1501224A3/fr
Priority to EP20100075559 priority patent/EP2262141A1/fr
Priority to EP20070010702 priority patent/EP1819081B1/fr
Priority to EP20070075395 priority patent/EP1816774B1/fr
Priority to EP20040077915 priority patent/EP1499053A3/fr
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to EP20100075378 priority patent/EP2251998B1/fr
Priority to EP20070010769 priority patent/EP1819082B1/fr
Publication of EP0921652A2 publication Critical patent/EP0921652A2/fr
Publication of EP0921652A3 publication Critical patent/EP0921652A3/fr
Publication of EP0921652B1 publication Critical patent/EP0921652B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J2013/0037—Multilevel codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Radio Transmission System (AREA)
  • Amplifiers (AREA)
EP19980308056 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela Expired - Lifetime EP0921652B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP20040077915 EP1499053A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077916 EP1501224A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075559 EP2262141A1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075378 EP2251998B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070075395 EP1816774B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070075393 EP1816773B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010789 EP1819083B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010702 EP1819081B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010769 EP1819082B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR19970065375 1997-12-02
KR9765375 1997-12-02
KR1019980011923A KR100269593B1 (ko) 1997-12-02 1998-04-04 다중 채널을 위한 직교 복소 확산 방법 및 그 장치
KR9811923 1998-04-04

Related Child Applications (8)

Application Number Title Priority Date Filing Date
EP20070075395 Division EP1816774B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010769 Division EP1819082B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010789 Division EP1819083B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010702 Division EP1819081B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077915 Division EP1499053A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075378 Division EP2251998B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077916 Division EP1501224A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070075393 Division EP1816773B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela

Publications (3)

Publication Number Publication Date
EP0921652A2 EP0921652A2 (fr) 1999-06-09
EP0921652A3 true EP0921652A3 (fr) 2002-09-04
EP0921652B1 EP0921652B1 (fr) 2007-08-15

Family

ID=26633222

Family Applications (10)

Application Number Title Priority Date Filing Date
EP20070010789 Expired - Lifetime EP1819083B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075559 Withdrawn EP2262141A1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070075395 Expired - Lifetime EP1816774B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010769 Expired - Lifetime EP1819082B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077916 Withdrawn EP1501224A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075378 Expired - Lifetime EP2251998B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010702 Expired - Lifetime EP1819081B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077915 Withdrawn EP1499053A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP19980308056 Expired - Lifetime EP0921652B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070075393 Expired - Lifetime EP1816773B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela

Family Applications Before (8)

Application Number Title Priority Date Filing Date
EP20070010789 Expired - Lifetime EP1819083B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075559 Withdrawn EP2262141A1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070075395 Expired - Lifetime EP1816774B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010769 Expired - Lifetime EP1819082B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077916 Withdrawn EP1501224A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20100075378 Expired - Lifetime EP2251998B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20070010702 Expired - Lifetime EP1819081B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela
EP20040077915 Withdrawn EP1499053A3 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20070075393 Expired - Lifetime EP1816773B1 (fr) 1997-12-02 1998-10-02 Méthode d'étalement complexe et orthogonal pour multi-canaux et dispositif pour cela

Country Status (6)

Country Link
US (6) US6222873B1 (fr)
EP (10) EP1819083B1 (fr)
JP (1) JP3094292B2 (fr)
KR (1) KR100269593B1 (fr)
DE (4) DE69840900D1 (fr)
HK (5) HK1108981A1 (fr)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269593B1 (ko) * 1997-12-02 2000-10-16 정선종 다중 채널을 위한 직교 복소 확산 방법 및 그 장치
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US6222832B1 (en) 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US7936728B2 (en) 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
KR100381012B1 (ko) 1998-05-04 2003-08-19 한국전자통신연구원 부호분할 다중접속 방식에서 상향 공통 채널의 임의 접속 장치및 방법
US8134980B2 (en) 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US7773566B2 (en) 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US6711121B1 (en) * 1998-10-09 2004-03-23 At&T Corp. Orthogonal code division multiplexing for twisted pair channels
CA2282780A1 (fr) * 1998-11-02 2000-05-02 Zulfiquar Sayeed Methode et dispositif permettant de faire varier les voies dans des systemes de communication a etalement du spectre
JP2000151557A (ja) * 1998-11-13 2000-05-30 Nec Corp Ｃｄｍａ通信装置
US6788728B1 (en) 1999-01-12 2004-09-07 Sony Corporation System and method for reducing peak-to-average ratio of the reverse link modulator in a CDMA phone system
US6611567B1 (en) * 1999-01-29 2003-08-26 Agere Systems, Inc. Method and apparatus for pulse shaping
JP3362009B2 (ja) * 1999-03-01 2003-01-07 シャープ株式会社 スペクトル拡散通信装置
JP3601816B2 (ja) 1999-05-31 2004-12-15 韓國電子通信研究院 移動通信システムにおける変調装置、端末器および変調方法
US6556557B1 (en) 1999-06-02 2003-04-29 At&T Corp. Method and system for reducing of peak-to-average power ratio of transmission signals comprising overlapping waveforms
GB9922239D0 (en) * 1999-09-20 1999-11-17 Nokia Mobile Phones Ltd A multiple access technique for mobile radio systems
JP3688166B2 (ja) 1999-11-26 2005-08-24 シャープ株式会社 Ｃｄｍａ変調方法及びその装置
JP2001189711A (ja) * 1999-12-29 2001-07-10 Agilent Technologies Japan Ltd コード・ドメイン・パワーを表示するための装置及び方法
AU3673001A (en) 2000-02-07 2001-08-14 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
JP2001223670A (ja) 2000-02-09 2001-08-17 Nec Corp 拡散符号生成器及びそれを用いるｃｄｍａ通信装置並びにそれらに用いる拡散符号生成方法
US6904085B1 (en) * 2000-04-07 2005-06-07 Zenith Electronics Corporation Multipath ghost eliminating equalizer with optimum noise enhancement
JP2002033716A (ja) * 2000-07-18 2002-01-31 Sony Corp Ｃｄｍａ拡散方法およびｃｄｍａ端末装置
KR100682118B1 (ko) * 2000-08-25 2007-02-12 에스케이 텔레콤주식회사 코드 분할 다원 접속 방식을 기반으로 하는 무선 지역루프 시스템에서의 다원 접속 간섭 제거 장치 및 방법
US6847677B1 (en) * 2000-09-29 2005-01-25 Qualcomm, Incorporated Method and apparatus for efficient Walsh covering and summing of signals in a communication system
US6745050B1 (en) * 2000-10-23 2004-06-01 Massachusetts Institute Of Technology Multichannel multiuser detection
KR20020034775A (ko) * 2000-11-03 2002-05-09 김동인 다차원 신호 설계와 이를 이용한 자기 간섭 제거알고리즘의 설계 방법
US6956891B2 (en) * 2000-11-15 2005-10-18 Go-Cdma Limited Method and apparatus for non-linear code-division multiple access technology
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
KR100714046B1 (ko) * 2000-12-12 2007-05-04 주식회사 케이티 반복적 간섭을 제거하기 위한 분산 측정 장치 및 그 방법
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
EP2479904B1 (fr) 2001-06-13 2017-02-15 Intel Corporation Appareils pour la transmission de signal de pulsation à un niveau inferieur à celui d'une demande de signal de pulsation
US7170952B2 (en) 2001-07-02 2007-01-30 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in communications systems
DE60225823T2 (de) * 2001-08-02 2009-04-09 Infineon Technologies Ag Konfigurierbare endstellen maschine
US7095798B2 (en) 2001-08-02 2006-08-22 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in multi-carrier communications systems
KR100449546B1 (ko) * 2001-10-08 2004-09-21 주식회사 카서 코드선택 코드분할 다중접속 변복조 방법 및 그것을구현한 장치
KR100478255B1 (ko) * 2002-02-21 2005-03-25 공형윤 Ｃｄｍａ 통신에서 전송율을 향상시키고 비트 에러율을개선한 변조 및 복조 방법
US7660282B2 (en) 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
US8081598B2 (en) 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US8150407B2 (en) 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US8023950B2 (en) 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US8391249B2 (en) 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US7155236B2 (en) 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US20040160922A1 (en) 2003-02-18 2004-08-19 Sanjiv Nanda Method and apparatus for controlling data rate of a reverse link in a communication system
US7215930B2 (en) 2003-03-06 2007-05-08 Qualcomm, Incorporated Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
US8705588B2 (en) 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
US8477592B2 (en) 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
US8090857B2 (en) 2003-11-24 2012-01-03 Qualcomm Atheros, Inc. Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks
US7395290B2 (en) * 2004-06-04 2008-07-01 Agilent Technologies, Inc. Digital filter and method thereof using frequency translations
PL2363987T3 (pl) 2004-12-23 2014-03-31 Electronics & Telecommunications Res Inst Urządzenie do nadawania i odbierania danych do zapewnienia szybkiej komunikacji danych oraz stosowny sposób
AU2011203042B2 (en) * 2005-07-27 2012-02-23 Qualcomm Atheros, Inc. Managing spectra of modulated signals in a communication network
US8175190B2 (en) 2005-07-27 2012-05-08 Qualcomm Atheros, Inc. Managing spectra of modulated signals in a communication network
US7729433B2 (en) * 2006-03-07 2010-06-01 Motorola, Inc. Method and apparatus for hybrid CDM OFDMA wireless transmission
ES2302638B1 (es) * 2006-12-21 2009-06-04 Vicente Diaz Fuente Metodo mejorado de codificacion y decodificacion con al menos dos pares de secuencias ortogonales.
CN101136888B (zh) * 2007-05-18 2011-09-21 中兴通讯股份有限公司 一种降低信号峰均功率比的调制方法
US7929474B2 (en) * 2007-06-22 2011-04-19 Vubiq Incorporated System and method for wireless communication in a backplane fabric architecture
US7768457B2 (en) * 2007-06-22 2010-08-03 Vubiq, Inc. Integrated antenna and chip package and method of manufacturing thereof
US8630383B2 (en) 2008-08-22 2014-01-14 Alcatel Lucent Communication system for transmitting sync-flags and pilot symbols and method thereof
US8385461B1 (en) 2009-04-20 2013-02-26 Vubiq, Inc. On-off keying using vector modulation
US9893406B2 (en) 2009-08-19 2018-02-13 Vubiq Networks, Inc. Method of forming a waveguide interface by providing a mold to form a support block of the interface
IN2012DN02174A (fr) 2009-08-19 2015-08-21 Vubiq Inc
KR101532821B1 (ko) * 2010-04-02 2015-06-30 후지쯔 가부시끼가이샤 Ｏｃｃ 생성을 위한 장치 및 방법과 ｏｃｃ 매핑을 위한 장치 및 방법
US8693526B2 (en) * 2011-02-16 2014-04-08 Chester Wildey Unipolar spread spectrum modulation for low computation and power cost signal multiplexing with application to fNIRS measurments
US9275540B2 (en) * 2012-02-06 2016-03-01 Neocific, Inc. Methods and apparatus for contingency communications
US9197302B2 (en) * 2013-11-21 2015-11-24 Sony Corporation MIMO communication method
US10003389B2 (en) * 2014-06-04 2018-06-19 Sony Corporation MIMO communication method, and base station apparatus and terminal
CN105515713B (zh) * 2014-09-25 2018-11-30 中兴通讯股份有限公司 一种多用户码分多址接入通信方法与相应发射机、接收机
CN113162722B (zh) 2015-09-21 2024-04-12 Hyphy美国有限公司 用于通过不完美的电磁通路传输采样信号的系统
CN110663194B (zh) 2017-03-20 2021-09-07 Hyphy美国有限公司 基于cdma的媒体接口
KR102449441B1 (ko) 2017-10-17 2022-09-30 한국전자통신연구원 압축 센싱 신호의 처리 방법 및 장치
CN108092692B (zh) * 2017-12-27 2020-02-07 西安科锐盛创新科技有限公司 一种cdma系统信道扩频装置及方法
US10818997B2 (en) 2017-12-29 2020-10-27 Vubiq Networks, Inc. Waveguide interface and printed circuit board launch transducer assembly and methods of use thereof
US11716114B2 (en) 2020-11-25 2023-08-01 Hyphy Usa Inc. Encoder and decoder circuits for the transmission of video media using spread spectrum direct sequence modulation
US11997415B2 (en) 2021-08-17 2024-05-28 Hyphy Usa Inc. Sampled analog storage system
KR20240057400A (ko) 2021-09-03 2024-05-02 하이파이 유에스에이 인크. 디스플레이 드라이버와 확산-스펙트럼 비디오 전송의 통합
US11769468B2 (en) 2022-01-19 2023-09-26 Hyphy Usa Inc. Spread-spectrum video transport integration with timing controller
US11842671B2 (en) 2022-03-07 2023-12-12 Hyphy Usa Inc. Spread-spectrum video transport source driver integration with display panel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0783210A2 (fr) * 1995-11-30 1997-07-09 Nec Corporation Système de communication à spectre étalé

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511073A (en) 1990-06-25 1996-04-23 Qualcomm Incorporated Method and apparatus for the formatting of data for transmission
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5204876A (en) 1991-03-13 1993-04-20 Motorola, Inc. Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
US5235614A (en) 1991-03-13 1993-08-10 Motorola, Inc. Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
US5337338A (en) 1993-02-01 1994-08-09 Qualcomm Incorporated Pulse density modulation circuit (parallel to serial) comparing in a nonsequential bit order
JP2863975B2 (ja) 1993-07-16 1999-03-03 松下電器産業株式会社 Ｃｄｍａ方式送信装置および受信装置、ｃｄｍａ方式送信方法およびｃｄｍａ方式移動通信システム
MY112371A (en) 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems
US5414728A (en) 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
KR960003102B1 (ko) * 1993-12-01 1996-03-04 재단법인 한국전자통신연구소 씨.디.엠.에이(cdma) 이동통신 기지국 변조장치의 채널 변조회로 및 그를 이용한 변조장치
US5418813A (en) 1993-12-06 1995-05-23 Motorola, Inc. Method and apparatus for creating a composite waveform
US5619524A (en) 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
KR100298340B1 (ko) 1994-11-19 2001-10-24 박태진 파일럿트채널을이용한다중접속대역확산통신시스템의데이타송수신기
KR970011690B1 (ko) 1994-11-22 1997-07-14 삼성전자 주식회사 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기
US5602833A (en) 1994-12-19 1997-02-11 Qualcomm Incorporated Method and apparatus for using Walsh shift keying in a spread spectrum communication system
US5566164A (en) 1994-12-19 1996-10-15 Stanford Telecommunications, Inc. Practical means for digital generation and combination of a multiplicity of CDMA/FDMA signals
KR0142497B1 (ko) 1995-06-23 1998-08-01 양승택 역방향 링크에 버스트 파일럿을 갖는 채널구조
JP3212238B2 (ja) * 1995-08-10 2001-09-25 株式会社日立製作所 移動通信システムおよび移動端末装置
KR0174617B1 (ko) 1995-11-22 1999-04-01 김광호 직접확산/부호분할다중접속 통신시스템의 데이터 송신기 및 수신기
KR0159201B1 (ko) 1995-12-06 1998-12-01 양승택 Cdma 시스템에서의 동기식 이중 채널 qpsk 변복조 장치 및 그 변복조방법
KR0155510B1 (ko) 1995-12-22 1998-11-16 양승택 직접 시퀀스 확산 스펙트럼 oqpsk 칩 변조장치
JP3214860B2 (ja) 1996-03-05 2001-10-02 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける信号の伝送方法、送信機、受信機および拡散符号同期法
JPH09321665A (ja) 1996-05-24 1997-12-12 Matsushita Electric Ind Co Ltd 送受信装置
US5926500A (en) 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US5930230A (en) * 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
JP3409628B2 (ja) 1996-06-19 2003-05-26 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ通信方法およびグループ拡散変調器
KR0173101B1 (ko) 1996-08-14 1999-03-30 양승택 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치
US5870378A (en) 1996-08-20 1999-02-09 Lucent Technologies Inc. Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits
US5818867A (en) 1996-09-09 1998-10-06 Itt Industries, Inc. QPSK/QBL-MSK waveform enhancement
US5991284A (en) * 1997-02-13 1999-11-23 Qualcomm Inc. Subchannel control loop
DE19708626C2 (de) 1997-03-04 1999-08-05 Rohde & Schwarz Nach dem Spreizspektrumverfahren arbeitendes Funkkommunikationssystem
TW421750B (en) 1997-03-14 2001-02-11 Omron Tateisi Electronics Co Language identification device, language identification method and storage media recorded with program of language identification
US6097712A (en) * 1997-06-20 2000-08-01 Nortel Networks Limited Multi-carrier CDMA communications systems
US6108369A (en) * 1997-07-11 2000-08-22 Telefonaktiebolaget Lm Ericsson Channelization code allocation for radio communication systems
FR2767238B1 (fr) * 1997-08-07 1999-10-01 Alsthom Cge Alcatel Dispositifs monocanal et multicanaux de demodulation coherente sans pilote, et ensemble correspondant de reception a plusieurs chemins de diversite
US6144691A (en) * 1997-09-30 2000-11-07 Nokia Mobile Phones Limited Method and apparatus for synchronizing to a direct sequence spread spectrum signal
US5903761A (en) * 1997-10-31 1999-05-11 Preemptive Solutions, Inc. Method of reducing the number of instructions in a program code sequence
KR100269593B1 (ko) * 1997-12-02 2000-10-16 정선종 다중 채널을 위한 직교 복소 확산 방법 및 그 장치
US6246697B1 (en) 1998-01-24 2001-06-12 Motorola, Inc. Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal
US6643275B1 (en) 1998-05-15 2003-11-04 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
FR2784525B1 (fr) 1998-10-12 2006-07-28 Cit Alcatel Procede d'allocation de codes orthogonaux dans un systeme de radiocommunications mobiles du type a acces multiple par repartition de codes utilisant des codes de longueur variable
US7406261B2 (en) 1999-11-02 2008-07-29 Lot 41 Acquisition Foundation, Llc Unified multi-carrier framework for multiple-access technologies

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0783210A2 (fr) * 1995-11-30 1997-07-09 Nec Corporation Système de communication à spectre étalé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BIRGENHEIER R A: "OVERVIEW OF CODE-DOMAIN POWER, TIMING, AND PHASE MEASUREMENTS", HEWLETT-PACKARD JOURNAL, HEWLETT-PACKARD CO. PALO ALTO, US, vol. 47, no. 1, 1 February 1996 (1996-02-01), pages 73 - 93, XP000559992 *

Also Published As

Publication number Publication date
EP1819081B1 (fr) 2011-05-25
DE69840883D1 (de) 2009-07-16
EP1819083A2 (fr) 2007-08-15
EP1816773A3 (fr) 2008-03-26
US6222873B1 (en) 2001-04-24
EP1819083A3 (fr) 2008-04-02
EP1819082B1 (fr) 2009-06-03
US6449306B1 (en) 2002-09-10
EP1819082A3 (fr) 2008-03-26
EP2262141A1 (fr) 2010-12-15
KR19990062391A (ko) 1999-07-26
DE10075378T1 (de) 2011-04-14
EP2251998A2 (fr) 2010-11-17
EP1816774A2 (fr) 2007-08-08
USRE40385E1 (en) 2008-06-17
EP1501224A2 (fr) 2005-01-26
HK1108981A1 (en) 2008-05-23
US20140126611A1 (en) 2014-05-08
EP1816774B1 (fr) 2012-11-21
US20020097779A1 (en) 2002-07-25
EP1819082A2 (fr) 2007-08-15
EP0921652A2 (fr) 1999-06-09
EP1816773B1 (fr) 2009-06-10
JP3094292B2 (ja) 2000-10-03
USRE44635E1 (en) 2013-12-10
USRE44507E1 (en) 2013-09-24
EP2251998A3 (fr) 2010-12-08
JPH11186989A (ja) 1999-07-09
DE69840900D1 (de) 2009-07-23
EP1816774A3 (fr) 2008-04-02
EP1816773A2 (fr) 2007-08-08
HK1108238A1 (en) 2008-05-02
EP1499053A2 (fr) 2005-01-19
KR100269593B1 (ko) 2000-10-16
HK1108237A1 (en) 2008-05-02
EP2251998B1 (fr) 2012-08-22
DE69838242D1 (de) 2007-09-27
EP1819081A3 (fr) 2008-03-26
HK1108982A1 (en) 2008-05-23
EP1819081A2 (fr) 2007-08-15
DE69838242T2 (de) 2008-02-14
HK1108236A1 (en) 2008-05-02
EP1819083B1 (fr) 2011-05-25
EP0921652B1 (fr) 2007-08-15
EP1501224A3 (fr) 2005-07-13
EP1499053A3 (fr) 2005-06-15

Similar Documents

Publication Publication Date Title
EP0921652A3 (fr) Méthode d'étalement complex et orthogonal pour mulit-canaux et dispositif pour cela
RU2185031C1 (ru) Способ генерации скремблирующего кода в системе мобильной связи усмэ и устройство для его осуществления
EP1067724A3 (fr) Système de communication à spectre étalé
RU2001101534A (ru) Четырехфазные расширяющие коды в системе связи множественного доступа с кодовым разделением каналов
CA2278299A1 (fr) Appareil d'estimation de voies, recepteur et emetteur-recepteur a acces multiple par code de repartition comportant chacun cet appareil
CA2459129A1 (fr) Systeme et methode de radiotransmission avec appareil pour station d'emission et appareil pour station de reception
KR950022326A (ko) 병렬-동작 다중 목적 상관기를 이용한 다이렉트 시퀸스 확산 스펙트럼(ds/cdma) 리시버
EP0878930B1 (fr) Procede de generation de code cdma et procede de selection de code
EP0800293A3 (fr) Circuit et procédé de génération de clefs cryptographiques
EP0749213A3 (fr) Récepteur pour des signaux d'un spectre étendu
WO2004001893A3 (fr) Systeme d'antenne a complexite limitee utilisant le traitement par chaine de reception multiplexee
EP2166674A3 (fr) Procédé pour l'attribution de midambles CDMA
AU7056500A (en) Apparatus and methods for receiving information using variable length accumulation searchers
EP0939500A3 (fr) Filtre apparié et appareil de réception de signaux
EP1191704A3 (fr) Procédé et appareil d'acquisition d'intervalle temporel et de correction de décalage de fréquence
EP0887946A3 (fr) Circuit de capture synchrone pour communication à accès multiple par multiplexage de code
JP2001144653A (ja) 有線スペクトラム拡散通信装置および通信方法
EP1379010A3 (fr) Procédé, système et dispositif électronique pour synchroniser un recepteur
EP0938192A3 (fr) Générateur de séquence pseudo-aléatoire
DE60137496D1 (de) Verfahren und gerät zur bereitstellung von sprach- und datemkommunikation in einem drahtlosen kommunikationssystem
CN100566221C (zh) 扰频码及前导码产生装置
EP0939508A3 (fr) Procédé et dispositif pour atteindre une variabilité de débit dans un système de transmission à étalement orthogonale de spectre
US20020105902A1 (en) Method for generating orthogonal spread codes in mobile communication system
WO2003081424A3 (fr) Procede et dispositif destines a deployer un logiciel a haute integrite utilisant des contraintes d'ordre d'initialisation et d'ordre d'appel
EP1267560A3 (fr) Générateur de tonalité partageant des paramètres entre des canaux

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19991202

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIC1 Information provided on ipc code assigned before grant

Free format text: 7H 04J 13/04 A, 7H 04J 11/00 B, 7H 04B 1/707 B, 7H 04B 7/26 B

AKX Designation fees paid

Designated state(s): DE FI FR GB SE

17Q First examination report despatched

Effective date: 20031118

R17C First examination report despatched (corrected)

Effective date: 20031118

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FI FR GB SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69838242

Country of ref document: DE

Date of ref document: 20070927

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20080516

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20170925

Year of fee payment: 20

Ref country code: GB

Payment date: 20170921

Year of fee payment: 20

Ref country code: FI

Payment date: 20170921

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20170921

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20170921

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 69838242

Country of ref document: DE

Representative=s name: FLACH BAUER STAHL PATENTANWAELTE PARTNERSCHAFT, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69838242

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20181001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20181001

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG